# Copyright 2022 Huawei Technologies Co., Ltd
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


class BaseLayer(object):
    """Base layer class for all other common layers. 
    We'll use `Layer(args)(feat)`  to call the layer.
    """
    def __call__(self, *args, **kwargs):
        return self.forward(*args, **kwargs)

    def forward(self, *args, **kwargs):
        raise NotImplementedError

    def get_kernel(self):
        raise NotImplementedError

    def get_bias(self):
        raise NotImplementedError
    
    def get_buffer(self):
        raise NotImplementedError
